"Piet" is based on the many paintings from Piet Mondrian featuring black lines with primary colored squares over a white background. It is part of the "Stylo 33" pen collection. The concept of this collection is celebrate the greats. An homage to the masters of art, on a pen. This pen comes packaged in a custom pull out drawer box, with a window to see the pen. Compatible with the 8126 black and blue refills.